/**
 * * Copyright &copy; 2015-2020 <a href="https://gitee.com/JeeHuangBingGui/JeeSpring">JeeSpring</a> All rights reserved..
 */
package com.jeespring.modules.sys.utils;

import com.jeespring.common.service.AbstractService;
import com.jeespring.common.sms.SMSUtils;
import com.jeespring.common.utils.CacheUtils;
import com.jeespring.common.utils.SpringContextHolder;
import com.jeespring.modules.sys.dao.*;
import com.jeespring.modules.sys.entity.*;
import com.jeespring.modules.sys.security.SystemAuthorizingRealm.Principal;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.UnavailableSecurityManagerException;
import org.apache.shiro.session.InvalidSessionException;
import org.apache.shiro.session.Session;
import org.apache.shiro.subject.Subject;

import java.io.IOException;
import java.util.Date;
import java.util.List;

/**
 * 用户工具类
 * 
 * @author 黄炳桂 516821420@qq.com
 * @version 2013-12-05
 */
public class UserUtils {

    private static UserDao userDao = SpringContextHolder.getBean(UserDao.class);
    private static RoleDao roleDao = SpringContextHolder.getBean(RoleDao.class);
    private static MenuDao menuDao = SpringContextHolder.getBean(MenuDao.class);
    private static AreaDao areaDao = SpringContextHolder.getBean(AreaDao.class);
    private static OfficeDao officeDao = SpringContextHolder.getBean(OfficeDao.class);

    public static final String USER_CACHE = "userCache";
    public static final String USER_CACHE_ID_ = "id_";
    public static final String USER_CACHE_LOGIN_NAME_ = "ln";
    public static final String USER_CACHE_LIST_BY_OFFICE_ID_ = "oid_";

    public static final String CACHE_ROLE_LIST = "roleList";
    public static final String CACHE_MENU_LIST = "menuList";
    public static final String CACHE_AREA_LIST = "areaList";
    public static final String CACHE_OFFICE_LIST = "officeList";
    public static final String CACHE_OFFICE_ALL_LIST = "officeAllList";

    /**
     * 根据ID获取用户
     * 
     * @param id
     * @return 取不到返回null
     */
    public static User get(String id) {
        User user = (User) CacheUtils.get(USER_CACHE, USER_CACHE_ID_ + id);
        if (user == null) {
            user = userDao.get(id);
            if (user == null) {
                return null;
            }
            user.setRoleList(roleDao.findList(new Role(user)));
            CacheUtils.put(USER_CACHE, USER_CACHE_ID_ + user.getId(), user);
            CacheUtils.put(USER_CACHE, USER_CACHE_LOGIN_NAME_ + user.getLoginName(), user);
        }
        return user;
    }

    /**
     * 根据登录名获取用户
     * 
     * @param loginName
     * @return 取不到返回null
     */
    public static User getByLoginName(String loginName) {
        User user = (User) CacheUtils.get(USER_CACHE, USER_CACHE_LOGIN_NAME_ + loginName);
        if (user == null) {
            user = userDao.getByLoginName(new User(null, loginName));
            if (user == null) {
                return null;
            }
            user.setRoleList(roleDao.findList(new Role(user)));
            CacheUtils.put(USER_CACHE, USER_CACHE_ID_ + user.getId(), user);
            CacheUtils.put(USER_CACHE, USER_CACHE_LOGIN_NAME_ + user.getLoginName(), user);
        }
        return user;
    }

    /**
     * 清除当前用户缓存
     */
    public static void clearCache() {
        removeCache(CACHE_ROLE_LIST);
        removeCache(CACHE_MENU_LIST);
        removeCache(CACHE_AREA_LIST);
        removeCache(CACHE_OFFICE_LIST);
        removeCache(CACHE_OFFICE_ALL_LIST);
        UserUtils.clearCache(getUser());
    }

    /**
     * 清除指定用户缓存
     * 
     * @param user
     */
    public static void clearCache(User user) {
        CacheUtils.remove(USER_CACHE, USER_CACHE_ID_ + user.getId());
        CacheUtils.remove(USER_CACHE, USER_CACHE_LOGIN_NAME_ + user.getLoginName());
        CacheUtils.remove(USER_CACHE, USER_CACHE_LOGIN_NAME_ + user.getOldLoginName());
        if (user.getOffice() != null && user.getOffice().getId() != null) {
            CacheUtils.remove(USER_CACHE, USER_CACHE_LIST_BY_OFFICE_ID_ + user.getOffice().getId());
        }
    }

    /**
     * 获取当前用户
     * 
     * @return 取不到返回 new User()
     */
    public static User getUser() {
        Principal principal = getPrincipal();
        if (principal != null) {
            User user = get(principal.getId());
            if (user != null) {
                return user;
            }
            return new User();
        }
        // 如果没有登录，则返回实例化空的User对象。
        return new User();
    }

    /**
     * 获取当前用户角色列表
     * 
     * @return
     */
    public static List<Role> getRoleList() {
        @SuppressWarnings("unchecked")
        List<Role> roleList = (List<Role>) getCache(CACHE_ROLE_LIST);
        if (roleList == null) {
            User user = getUser();
            if (user.isAdmin()) {
                roleList = roleDao.findAllList(new Role());
            } else {
                Role role = new Role();
                role.getSqlMap().put("dsf", AbstractService.dataScopeFilter(user.getCurrentUser(), "o", "u"));
                roleList = roleDao.findList(role);
            }
            putCache(CACHE_ROLE_LIST, roleList);
        }
        return roleList;
    }

    /**
     * 获取当前用户授权菜单
     * 
     * @return
     */
    public static List<Menu> getMenuList() {
        @SuppressWarnings("unchecked")
        List<Menu> menuList = (List<Menu>) getCache(CACHE_MENU_LIST);
        if (menuList == null) {
            User user = getUser();
            if (user.isAdmin()) {
                menuList = menuDao.findAllList(new Menu());
            } else {
                Menu m = new Menu();
                m.setUserId(user.getId());
                menuList = menuDao.findByUserId(m);
            }
            putCache(CACHE_MENU_LIST, menuList);
        }
        return menuList;
    }

    /**
     * 获取当前用户授权菜单
     * 
     * @return
     */
    public static Menu getTopMenu() {
        Menu.setAllMenu(UserUtils.getMenuList());
        @SuppressWarnings("unchecked")
        Menu topMenu = menuDao.findUniqueByProperty("parent_id", "'0'");
        return topMenu;
    }

    /**
     * 获取当前用户授权的区域
     * 
     * @return
     */
    public static List<Area> getAreaList() {
        @SuppressWarnings("unchecked")
        List<Area> areaList = (List<Area>) getCache(CACHE_AREA_LIST);
        if (areaList == null) {
            areaList = areaDao.findAllList(new Area());
            putCache(CACHE_AREA_LIST, areaList);
        }
        return areaList;
    }

    /**
     * 获取当前用户有权限访问的部门
     * 
     * @return
     */
    public static List<Office> getOfficeList() {
        @SuppressWarnings("unchecked")
        List<Office> officeList = (List<Office>) getCache(CACHE_OFFICE_LIST);
        if (officeList == null) {
            User user = getUser();
            if (user.isAdmin()) {
                officeList = officeDao.findAllList(new Office());
            } else {
                Office office = new Office();
                office.getSqlMap().put("dsf", AbstractService.dataScopeFilter(user, "a", ""));
                officeList = officeDao.findList(office);
            }
            putCache(CACHE_OFFICE_LIST, officeList);
        }
        return officeList;
    }

    /**
     * 获取当前用户有权限访问的部门
     * 
     * @return
     */
    public static List<Office> getOfficeAllList() {
        @SuppressWarnings("unchecked")
        List<Office> officeList = (List<Office>) getCache(CACHE_OFFICE_ALL_LIST);
        if (officeList == null) {
            officeList = officeDao.findAllList(new Office());
        }
        return officeList;
    }

    /**
     * 获取授权主要对象
     */
    public static Subject getSubject() {
        return SecurityUtils.getSubject();
    }

    /**
     * 获取当前登录者对象
     */
    public static Principal getPrincipal() {
        try {
            Subject subject = SecurityUtils.getSubject();
            Principal principal = (Principal) subject.getPrincipal();
            if (principal != null) {
                return principal;
            }
//            subject.logout();
        } catch (UnavailableSecurityManagerException e) {

        } catch (InvalidSessionException e) {

        }
        return null;
    }

    public static Session getSession() {
        try {
            Subject subject = SecurityUtils.getSubject();
            Session session = subject.getSession(false);
            if (session == null) {
                session = subject.getSession();
            }
            if (session != null) {
                return session;
            }
//            subject.logout();
        } catch (InvalidSessionException e) {

        }
        return null;
    }

    // ============== User Cache ==============

    public static Object getCache(String key) {
        return getCache(key, null);
    }

    public static Object getCache(String key, Object defaultValue) {
//        Object obj = getCacheMap().get(key);
        Session session = getSession();
        if (session == null) {
            return null;
        }
        Object obj = session.getAttribute(key);
        return obj == null ? defaultValue : obj;
    }

    public static void putCache(String key, Object value) {
//        getCacheMap().put(key, value);
        Session session = getSession();
        if (session == null) {
            return;
        }
        session.setAttribute(key, value);
    }

    public static void removeCache(String key) {
//        getCacheMap().remove(key);
        Session session = getSession();
        if (session == null) {
            return;
        }
        session.removeAttribute(key);
    }

    public static String getTime(Date date) {
        StringBuffer time = new StringBuffer();
        Date date2 = new Date();
        long temp = date2.getTime() - date.getTime();
        long days = temp / 1000 / 3600 / 24; // 相差小时数
        if (days > 0) {
            time.append(days + "天");
        }
        long temp1 = temp % (1000 * 3600 * 24);
        long hours = temp1 / 1000 / 3600; // 相差小时数
        if (days > 0 || hours > 0) {
            time.append(hours + "小时");
        }
        long temp2 = temp1 % (1000 * 3600);
        long mins = temp2 / 1000 / 60; // 相差分钟数
        time.append(mins + "分钟");
        return time.toString();
    }

//    public static Map<String, Object> getCacheMap(){
//        Principal principal = getPrincipal();
//        if(principal!=null){
//            return principal.getCacheMap();
//        }
//        return new HashMap<String, Object>();
//    }
//发送注册码
    public static String sendRandomCode(String uid, String pwd, String tel, String randomCode) throws IOException {
        // 发送内容
        String content = "您的验证码是：" + randomCode + "，有效期30分钟，请在有效期内使用。";
        try {
            return SMSUtils.send(uid, pwd, tel, content);
        } catch (Exception e) {
            return "";
        }
    }

    // 注册用户重置密码
    public static String sendPass(String uid, String pwd, String tel, String password) throws IOException {
        // 发送内容
        String content = "您的新密码是：" + password + "，请登录系统，重新设置密码。";
        try {
            return SMSUtils.send(uid, pwd, tel, content);
        } catch (Exception e) {
            return "";
        }
    }

    /**
     * 导出Excel调用,根据姓名转换为ID
     */
    public static User getByUserName(String name) {
        User u = new User();
        u.setName(name);
        List<User> list = userDao.findList(u);
        if (!list.isEmpty()) {
            return list.get(0);
        } else {
            return new User();
        }
    }

    /**
     * 导出Excel使用，根据名字转换为id
     */
    public static Office getByOfficeName(String name) {
        Office o = new Office();
        o.setName(name);
        List<Office> list = officeDao.findList(o);
        if (!list.isEmpty()) {
            return list.get(0);
        } else {
            return new Office();
        }
    }

    /**
     * 导出Excel使用，根据名字转换为id
     */
    public static Area getByAreaName(String name) {
        Area a = new Area();
        a.setName(name);
        List<Area> list = areaDao.findList(a);
        if (!list.isEmpty()) {
            return list.get(0);
        } else {
            return new Area();
        }
    }
}
